Home / 118,733,999.90-178,100,999.85-91,826,966.30

Finding the Fourth Proportional to 118,733,999.90, 178,100,999.85 and 91,826,966.30

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Solution

The fourth proportional to 118,733,999.90, 178,100,999.85 and 91,826,966.30 is: 137,740,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,733,999.90 : 178,100,999.85 = 91,826,966.30 : x
  2. Step 2: Convert to fraction form
    118,733,999.90/178,100,999.85 = 91,826,966.30/x
  3. Step 3: Cross multiply
    118,733,999.90x = 178,100,999.85 × 91,826,966.30
  4. Step 4: Simplify right side
    118,733,999.90x = 16,354,474,511,222,254
  5. Step 5: Solve for x
    x = 16,354,474,511,222,254/118,733,999.90
  6. Step 6: Final answer
    x = 137,740,449.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.